#app {
   .main-container {
      min-height: 100%;
      transition: margin-left 0.28s;
      margin-left: $sideBarWidth;
      position: relative;
   }

   .sidebar-container {
      transition: width 0.28s;
      width: $sideBarWidth !important;
      background: -webkit-linear-gradient(
         bottom,
         #3d6df8,
         #5b8cff
      );
      height: 100%;
      position: fixed;
      font-size: 0px;
      top: 0;
      bottom: 0;
      left: 0;
      z-index: 1001;
      overflow: hidden;

      // reset element-ui css
      .horizontal-collapse-transition {
         transition: 0s width ease-in-out,
            0s padding-left ease-in-out,
            0s padding-right ease-in-out;
      }

      .scrollbar-wrapper {
         overflow-x: hidden !important;
         background: url('~@/assets/common/leftnavBg.png')
            no-repeat 0 100%;
      }

      .el-scrollbar__bar.is-vertical {
         right: 0px;
      }

      .el-scrollbar {
         height: 100%;
      }

      &.has-logo {
         .el-scrollbar {
            height: calc(100% - 50px);
         }
      }

      .is-horizontal {
         display: none;
      }

      a {
         display: inline-block;
         width: 100%;
         overflow: hidden;
      }

      .svg-icon {
         margin-right: 16px;
      }

      .sub-el-icon {
         margin-right: 12px;
         margin-left: -2px;
      }

      .el-menu {
         border: none;
         height: 100%;
         width: 100% !important;
         a {
            li {
               .svg-icon {
                  color: #fff;
                  font-size: 18px;
                  vertical-align: middle;
                  .icon {
                     color: #fff;
                  }
               }
               span {
                  color: #fff;
               }
               &:hover {
                  .svg-icon {
                     color: #43a7fe;
                  }
                  span {
                     color: #43a7fe;
                  }
               }
            }
         }
      }

      // menu hover
      .submenu-title-noDropdown,
      .el-submenu__title {
         &:hover {
            background-color: $menuHover !important;
         }
      }

      .is-active > .el-submenu__title {
         color: $subMenuActiveText !important;
      }

      & .nest-menu .el-submenu > .el-submenu__title,
      & .el-submenu .el-menu-item {
         min-width: $sideBarWidth !important;
         background-color: $subMenuBg !important;

         &:hover {
            background-color: $subMenuHover !important;
         }
      }
   }

   .hideSidebar {
      .sidebar-container {
         width: 54px !important;
      }

      .main-container {
         margin-left: 54px;
      }

      .submenu-title-noDropdown {
         padding: 0 !important;
         position: relative;

         .el-tooltip {
            padding: 0 !important;

            .svg-icon {
               margin-left: 20px;
            }

            .sub-el-icon {
               margin-left: 19px;
            }
         }
      }

      .el-submenu {
         overflow: hidden;

         & > .el-submenu__title {
            padding: 0 !important;

            .svg-icon {
               margin-left: 20px;
            }

            .sub-el-icon {
               margin-left: 19px;
            }

            .el-submenu__icon-arrow {
               display: none;
            }
         }
      }

      .el-menu--collapse {
         .el-submenu {
            & > .el-submenu__title {
               & > span {
                  height: 0;
                  width: 0;
                  overflow: hidden;
                  visibility: hidden;
                  display: inline-block;
               }
            }
         }
      }
   }

   .el-menu--collapse .el-menu .el-submenu {
      min-width: $sideBarWidth !important;
   }

   // mobile responsive
   .mobile {
      .main-container {
         margin-left: 0px;
      }

      .sidebar-container {
         transition: transform 0.28s;
         width: $sideBarWidth !important;
      }

      &.hideSidebar {
         .sidebar-container {
            pointer-events: none;
            transition-duration: 0.3s;
            transform: translate3d(-$sideBarWidth, 0, 0);
         }
      }
   }

   .withoutAnimation {
      .main-container,
      .sidebar-container {
         transition: none;
      }
   }
}

// when menu collapsed
.el-menu--vertical {
   & > .el-menu {
      .svg-icon {
         margin-right: 16px;
      }
      .sub-el-icon {
         margin-right: 12px;
         margin-left: -2px;
      }
   }

   .nest-menu .el-submenu > .el-submenu__title,
   .el-menu-item {
      &:hover {
         // you can use $subMenuHover
         background-color: $menuHover !important;
      }
   }

   // the scroll bar appears when the subMenu is too long
   > .el-menu--popup {
      max-height: 100vh;
      overflow-y: auto;

      &::-webkit-scrollbar-track-piece {
         background: #d3dce6;
      }

      &::-webkit-scrollbar {
         width: 6px;
      }

      &::-webkit-scrollbar-thumb {
         background: #99a9bf;
         border-radius: 20px;
      }
   }
}
